Footwear sole



FIG. 1 is a perspective view of the top, front and right side of a footwear sole showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The color shown on the claimed design forms no part thereof.

The broken lines showing the foot bed in FIGS. 1-6 define the boundary of the design. The broken lines and the area within, form no part of the claim. 

The ornamental design for a footwear sole, as shown. 